chore: import upstream snapshot with attribution

2026-07-13 13:02:50 +08:00
commit 0fc60fdcb1
5008 changed files with 910633 additions and 0 deletions
@@ -0,0 +1,56 @@
+/*
+ * QUANTCONNECT.COM - Democratizing Finance, Empowering Individuals.
+ * Lean Algorithmic Trading Engine v2.0. Copyright 2014 QuantConnect Corporation.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+*/
+
+using System;
+
+namespace QuantConnect.Data
+{
+    /// <summary>
+    /// Constant dividend yield model
+    /// </summary>
+    public class ConstantDividendYieldModel : IDividendYieldModel
+    {
+        private readonly decimal _dividendYield;
+
+        /// <summary>
+        /// Instantiates a <see cref="ConstantDividendYieldModel"/> with the specified dividend yield
+        /// </summary>
+        public ConstantDividendYieldModel(decimal dividendYield)
+        {
+            _dividendYield = dividendYield;
+        }
+
+        /// <summary>
+        /// Get dividend yield by a given date of a given symbol
+        /// </summary>
+        /// <param name="date">The date</param>
+        /// <returns>Dividend yield on the given date of the given symbol</returns>
+        public decimal GetDividendYield(DateTime date)
+        {
+            return _dividendYield;
+        }
+
+        /// <summary>
+        /// Get dividend yield at given date and security price
+        /// </summary>
+        /// <param name="date">The date</param>
+        /// <param name="securityPrice">The security price at the given date</param>
+        /// <returns>Dividend yield on the given date of the given symbol</returns>
+        public decimal GetDividendYield(DateTime date, decimal securityPrice)
+        {
+            return _dividendYield;
+        }
+    }
+}